Advance your career with help from our practice exams

Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
In a motor control function block program, conditional block are used. Which of the answers below is best described as a condition that must remain TRUE for a device can stay activated?
In a motor control function block program, conditional block are used. Which of the answers below is best described as a condition that must be TRUE before a device can be activated?
Which of the answers below best describes the OSI layers that a Foundation fieldbus H1is not compliant with?
Wireless Ethernet connections can be easily captured across a public access point. Which of the primary security methods below is to be used at all times possible?
Which of the network components below would commonly be used as a protocol converter and communication signal converter?
Which answer below is best described as the RS-232 standard for voltage range to transmit a "Space"?
An industrial network can, with a set of configured rules, scan network traffic flow for security issues. Which of the terms below best represents this type of security measure?
Which of the components below best represents the letter "A"?
There are several advanced alarm methods available that provide a greater level of functionality. Which of the methods below Modifies an alarm using logic?
Which of the answers below best reflects an unguided medium?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a coil to the slave device?
A typical DCS has at least four layers in it's architecture. Valves, switches and transmitters are all under the direct control of which of the layers below?
Which of the DeviceNet components below is best described as being used where ingress protection is needed?
There are several different network access methods available to wireless Ethernet. Which of the methods below is the one used by wireless Ethernet?
Model based network devices are at the user level of Ethernet/IP. Information of a devices type and classification would be contained in which of the text files below?
Which answer below best describes the result of electromagnetic interference in a transmission medium?
Which error check method is best described as an industry standard fieldbus protocol?
Which of the cable types below would be best used in an H1 transmission trunk line?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves holding registers # 40108?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will solve multiple DA server scalability issues?
In IPv4, which of the protocols below has the additions of delivery acknowledgement and fragmentation/defragmentation?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and VPN be used primarily?
The industrial network topologies you are required to use is defined by the OSI network model. Which of the common topologies below is likely described as a network a single continuous pathway through each node from being connected directly to two other nodes?
Which of the answers below best describes the OSI layers that a HART certified is not compliant with?